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Introducing the Ohaus Starter Pen Meter ST20S, a small yet powerful tool for precise measurements.

Whether you're in a laboratory or out in the field, this economical pen meter offers simple, fast, and straightforward operation.

With its durable IP67 waterproof ABS housing, the Ohaus Starter Pen Meter ST20S is built to withstand rough and wet environments. No need to worry about accidental drops or damage thanks to the included wrist strap that keeps it secure at all times.

This versatile pen meter is designed with multiple applications in mind. You can easily measure pH, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, and total dissolved solids (TDS). The liquid crystal display (LCD) provides precise readings, and select models even feature a secondary information line for added convenience.

The Ohaus Starter Pen Meter ST20S is powered by four 1.5V batteries, which are included in the package. Plus, it boasts an automatic shut-off feature that helps conserve battery life, so you can rely on it for extended periods without worrying about power drainage.

One of the standout features of this pen meter is its easily replaceable electrodes. This ensures that your measurements remain accurate and reliable over time. Say goodbye to complicated maintenance and hello to hassle-free performance.

For those seeking a portable scale they can trust, look no further than Ohaus. With their commitment to quality and precision, they've become a trusted name in the industry. The Ohaus Starter Pen Meter ST20S is a testament to their dedication to providing top-notch products to professionals like you.

Whether you're a scientist conducting experiments or a technician working in water treatment, the Ohaus Starter Pen Meter ST20S is an essential tool that will streamline your work and deliver accurate results every time.

Invest in this reliable pen meter today and experience the difference it makes in your daily operations.

5-year limited warranty

  • Free Shipping: Available across 48 continental USA. Extra charges may apply for residential, farm, or rural areas.
  • Express Shipping: Overnight and faster shipping options available at additional costs. Quotes obtainable via email.
  • Delivery Time: Typically 5 to 7 business days, varying by location and external conditions.
  • Tracking Information: Provided via email upon shipment. Accessible through account login. Additional information available upon request.
  • Return Policy: 15-day return period for unused, original condition products. A 25% restocking fee applies. Buyer covers original and return shipping costs.
  • Customer Support: Contact at (661) 888-1919 or for queries or concerns about shipping.